Challenge 6: Interfaces

A hotel door, fully equipped. And from a single source.

The hotel door of the Ruby Sofie in Vienna

The Häfele solution

A hotel room door as an individually customizable system, with technically coordinated components.

  • One contact, no interface problems.
  • Coordination of partner companies by Häfele.
  • Functional reliability and cost transparency.
  • Certified quality.
  • Guaranteed interaction of the individual components.
  • Easy ordering.


The hotel door from Häfele as an overall system with recommended components as basic equipment.

  • Steel frame from partner BOS.
  • Door leaf 50 mm, e.g. with HPL finish from partner Herholz and Pfleiderer.
  • Dialock DT Lite terminal with Tag-IT-ISO processor.
  • Mortise lock with deadlocking latchbolt and feedback.
  • Round cylinder, keyed alike.
  • 160 mm VX architectural hinge made from stainless steel.
  • Fire resistant, concealed architectural door closer.
  • Fire resistant door viewer.
  • Automatic retractable seal.


More information about the Ruby Sofie Hotel in Vienna and the Häfele solutions that have been used can be found here.

Hotel Ruby Sofie, Vienna Example

Hotel Ruby Sofie, Vienna

Albert Wimmer ZT GmbH, A-Vienna
Interior architecture:
Ruby Hotels & Resorts GmbH, D-Munich

Ruby Hotels & Resorts GmbH, D-München

Soravia Group GmbH, A-Wien



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